Home / 250,010.25-345,011.51-135,286.38

Finding the Fourth Proportional to 250,010.25, 345,011.51 and 135,286.38

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Solution

The fourth proportional to 250,010.25, 345,011.51 and 135,286.38 is: 186,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,010.25 : 345,011.51 = 135,286.38 : x
  2. Step 2: Convert to fraction form
    250,010.25/345,011.51 = 135,286.38/x
  3. Step 3: Cross multiply
    250,010.25x = 345,011.51 × 135,286.38
  4. Step 4: Simplify right side
    250,010.25x = 46,675,357,569.80
  5. Step 5: Solve for x
    x = 46,675,357,569.80/250,010.25
  6. Step 6: Final answer
    x = 186,693.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.